Finding the Fourth Proportional to 10,704,643.90, 14,772,423.09 and 5,809,866.14
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Solution
The fourth proportional to 10,704,643.90, 14,772,423.09 and 5,809,866.14 is: 8,017,623.15
Step by Step Solution
- Step 1: Write the proportion equation
10,704,643.90 : 14,772,423.09 = 5,809,866.14 : x - Step 2: Convert to fraction form
10,704,643.90/14,772,423.09 = 5,809,866.14/x - Step 3: Cross multiply
10,704,643.90x = 14,772,423.09 × 5,809,866.14 - Step 4: Simplify right side
10,704,643.90x = 85,825,800,775,063.23 - Step 5: Solve for x
x = 85,825,800,775,063.23/10,704,643.90 - Step 6: Final answer
x = 8,017,623.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.